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In an acid-base titration experiment, a 0.2 M solution of HCl was titrated at 25°C with a 0.05 M solution o KOH. Here the equilibrium constant for the titration reaction had this value: (1) 1.00 x 107 (2) 1.00 x 1012 (3) 1.00 x 1014 (4) None of the above
The difference between these forces is why some solids dissolve by an exothermic reaction (release heat), while other solids absorb heat and cool the solution. For an ionic solid dissolving in water, briefly identify the attractive
Treating 1-butanol with sulfuric acid establishes an equilibrium with 1-butyl bisulfate and water as shown.
Calculate the partial pressure of each gas and the total pressure after the valve between the flasks is opened. P(He) in mmHg P(Ar) in mm Hg Ptotal in mm Hg
What volume of 0.1000 M NaOH is required to titrate a 0.1000 M propionic acid solution, CH3CH2COOH, Ka = 1.3 x 10-5 , to the equivalence point?
How many milliliters of 0.200 M NaOH will be required to titrate 19.6 mL of 0.479 M H2SO4
The temperature of the acid solution increases from 24.2 oC to 29.9 oC. Calculate deltaH for the reaction that occurred.
What is the mass of silver bromide AgBr precipatated from 2.96 g of iron (III) bromide FeBr3 ? FeBr3 + AgNO3 = AgBr + Fe(NO3)3.
A calorimetry experiment determined that the combustion of 1.01 g of H2 reacting with excess O2 producing H2O gave q=143 kJ. Calculate the change in enthaply.
structures of all cycloalkenes that yield n-propyl cyclopentane when subjected to catalytic hydrogenation
A 2.5-L sample of a 6.3M NACl solution is diluted to 75L.What is the molarity of the diluted solution?
a 4.5 g sample of LiCl at 25 C dissolves in 25 mL of water also at 25 C. The final equilibrium temperature of the resulting solution is 60.8 C. What is the enthalpy of solution.
How many grams of Na3PO4 will be needed to produce 425mL of a solution that has a concentration of Na+ ions of 1.10M ?
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